CN216230282U

CN216230282U - Cooling device for plastic mold

Info

Publication number: CN216230282U
Application number: CN202122460940.7U
Authority: CN
Inventors: 吕振洋
Original assignee: Zaozhuang Xinyan Plastic Products Co ltd
Current assignee: Zaozhuang Xinyan Plastic Products Co ltd
Priority date: 2021-10-11
Filing date: 2021-10-11
Publication date: 2022-04-08
Anticipated expiration: 2031-10-11

Abstract

The utility model provides a cooling device for a plastic mold, and relates to the technical field of plastic mold cooling. This plastic mold is with cooling device, including cooler bin and support table frame, the cavity has been seted up to the inside of support table frame, and the inside of cavity is provided with warm water storage box and frozen water storage box respectively from the left hand right side, and the upper end interlude of warm water storage box is provided with T word inlet tube, and the lower extreme of T word inlet tube is provided with the reposition of redundant personnel inlet tube. This cooling device for plastic mold is through setting up the reposition of redundant personnel inlet tube, electric butterfly valve, expansion cylinder, inflation gasbag, rigidity breather pipe and electronic thermometer, thereby the volume that obtains reducing the inflation gasbag along with the self temperature of plastic mold main part further reduces the frozen water inflow and increases, thereby the inflow of warm water reduces gradually under the mating reaction of electronic thermometer and electric butterfly valve simultaneously and follows, avoided directly to cause the problem emergence that mould itself damaged with frozen water to plastic mold cooling heat exchange sharply.

Description

Cooling device for plastic mold

Technical Field

The utility model relates to the technical field of plastic mold cooling, in particular to a cooling device for a plastic mold.

Background

The mold is used for various molds and works of required products obtained by injection molding, blow molding, extrusion, die casting or forging and pressing molding in industrial production. Briefly described. The mould is a tool for manufacturing a molded article, the tool is composed of various parts, different moulds are composed of different parts, and the processing of the appearance of the article is realized mainly by changing the state of a molding material, so that the mould is called as an industrial parent, and the mould is required to be cooled in the use process of the plastic mould so as to improve the production efficiency of the mould.

The existing equipment for cooling the plastic mould is used for rapidly cooling the mould through directly spraying ice water, but the material of the mould is easily damaged in the violent process of cold and heat exchange of the mould, so that the mould cooling device capable of adjusting the temperature of cooling water according to the temperature of the mould is provided for avoiding the material damage of the mould caused by the violent cold and heat exchange when the mould is cooled.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a cooling device for a plastic mold, which solves the problem that the mold is damaged easily due to violent heat exchange when the mold is cooled by the conventional mold cooling device.

(II) technical scheme

In order to achieve the purpose, the utility model is realized by the following technical scheme: a cooling device for plastic molds comprises a cooling box and a supporting table frame, wherein a cavity is formed in the supporting table frame, a warm water storage box and an ice water storage box are respectively arranged in the cavity from left to right, a T-shaped water inlet pipe is arranged at the upper end of the warm water storage box in an inserting manner, a shunt water inlet pipe is arranged at the lower end of the T-shaped water inlet pipe, an electric butterfly valve is arranged outside the shunt water inlet pipe, a stainless steel sleeve is arranged at the upper end of the ice water storage box in an inserting manner, a water pumping pipe is fixedly connected to the lower end of the stainless steel sleeve, a warm water pump is fixedly connected to one end, far away from the shunt water inlet pipe, of the T-shaped water inlet pipe, an ice water pump is fixedly connected to one end, far away from the water pumping pipe, of the warm water pump and the ice water pump, a three-way water pipe is fixedly connected to the water outlet ends of the warm water pump and the ice water pump, and a water spraying plate is fixedly connected to one end of the three-way water pipe, the inside of nonrust steel casing is provided with the inflation gasbag, the inner chamber and the rigidity breather pipe fixed connection of inflation gasbag, the one end fixedly connected with inflation cylinder that the inflation gasbag was kept away from to the rigidity breather pipe, inflation cylinder with cooler bin fixed connection, the one end fixedly connected with absorber plate that the rigidity breather pipe was kept away from to inflation cylinder, the inside sliding connection of cooler bin has the piston board, the right-hand member of cooler bin is provided with the electronic thermometer, fixedly connected with buffer spring between piston board and the absorber plate.

Further, the quantity of reposition of redundant personnel inlet tube is three, and the length of three reposition of redundant personnel inlet tube is the same, electric butterfly valve and electronic thermometer electric connection.

Furthermore, a group of mutually symmetrical return springs are arranged inside the expansion air bag.

Further, the inside of supporting table frame is equipped with low-speed driving motor, low-speed driving motor and first driving pulley fixed connection, first driving pulley is connected with second driving pulley belt, second driving pulley and axis of rotation fixed connection, axis of rotation and mould support plate fixed connection, the upper surface of mould support plate is provided with the plastic mold main part.

Furthermore, the junction of cooling box and support table frame is provided with the axle sleeve, the inside fixedly connected with bearing of axle sleeve, the bearing rotates with the axis of rotation to be connected.

Furthermore, the bottom of the cooling box is fixedly connected with a drain pipe, and a stop valve is arranged outside the drain pipe.

(III) advantageous effects

The utility model provides a cooling device for a plastic mold. The method has the following beneficial effects:

1. this cooling device for plastic mold is through setting up the reposition of redundant personnel inlet tube, electric butterfly valve, the expansion cylinder, the inflation gasbag, rigidity breather pipe and electronic thermometer, thereby the frozen water inflow is very little under initial condition after placing plastic mold in the cooler bin after the absorber plate heat absorption temperature rise makes the piston board move forward thereby in sending gas into the inflation gasbag make the inflation gasbag volume increase, thereby the volume that obtains to reduce the inflation gasbag along with the self temperature of plastic mold main part further reduces thereby frozen water inflow increases, simultaneously the inflow of warm water reduces gradually under electronic thermometer and electric butterfly valve's mating reaction from, reached and carried out the purpose of cooling down the cooling to the plastic mold main part fast, the problem emergence of the direct cold and heat exchange that leads to the fact mould itself to damage to the plastic mold that cools down has been avoided.

2. This cooling device for plastic mold is through setting up low-speed driving motor, first driving pulley, second driving pulley and mould support plate, thereby mould support plate loads the plastic mold main part and removes under low-speed driving motor's rotation effect so that the surface to the plastic mold main part that the water spray plate can be even sprays the cooling, has also accelerated the cooling process of plastic mold main part simultaneously.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 2;

FIG. 4 is a schematic view of the internal structure of the expansion cylinder of the present invention;

fig. 5 is a schematic side view of the present invention.

In the figure: 1. a cooling tank; 2. a support table frame; 3. a cavity; 4. a warm water storage tank; 5. an ice water storage tank; 6. a T-shaped water inlet pipe; 7. a shunt water inlet pipe; 8. an electric butterfly valve; 9. a stainless steel sleeve; 10. a water pumping pipe; 11. a warm water pump; 12. an ice water pump; 13. a three-way water pipe; 14. a water spray plate; 15. inflating the balloon; 16. a rigid vent tube; 17. an expansion cylinder; 18. a heat absorbing plate; 19. a piston plate; 20. an electronic thermometer; 21. a low-speed drive motor; 22. a first drive pulley; 23. a second drive pulley; 24. A rotating shaft; 25. a mold carrier plate; 26. a plastic mold body; 27. a shaft sleeve; 28. a bearing; 29. a drain pipe; 30. a buffer spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The embodiment of the utility model provides a cooling device for a plastic mold, which comprises a cooling box 1 and a supporting table frame 2, wherein a cavity 3 is formed in the supporting table frame 2, a warm water storage tank 4 and an ice water storage tank 5 are respectively arranged in the cavity 3 from left to right, corresponding water inlet ports for water filling are respectively arranged outside the warm water storage tank 4 and the ice water storage tank 5, a T-shaped water inlet pipe 6 is inserted into the upper end of the warm water storage tank 4, a shunt water inlet pipe 7 is arranged at the lower end of the T-shaped water inlet pipe 6, the number of the shunt water inlet pipes 7 is three, the three shunt water inlet pipes 7 are the same in length, an electric butterfly valve 8 is electrically connected with an electronic thermometer 20, an electric butterfly valve 8 is arranged outside the shunt water inlet pipe 7, a stainless steel sleeve 9 is inserted into the upper end of the ice water storage tank 5, and a water pumping pipe 10 is fixedly connected to the lower end of the stainless steel sleeve 9, a warm water pump 11 is fixedly connected to one end of the T-shaped water inlet pipe 6 far away from the shunt water inlet pipe 7, an ice water pump 12 is fixedly connected to one end of the stainless steel sleeve 9 far away from the water pumping pipe 10, three-way water pipes 13 are fixedly connected to water outlet ends of the warm water pump 11 and the ice water pump 12, a water spray plate 14 is fixedly connected to one end of each of the three-way water pipes 13, an expansion air bag 15 is arranged inside the stainless steel sleeve 9, a set of mutually symmetrical reset springs are arranged inside the expansion air bag 15, an inner cavity of the expansion air bag 15 is fixedly connected with a rigid vent pipe 16, an expansion cylinder 17 is fixedly connected to one end of the rigid vent pipe 16 far away from the expansion air bag 15, a heat absorption plate 18 is fixedly connected to one end of the expansion cylinder 17 far away from the rigid vent pipe 16, a piston plate 19 is slidably connected to the inside of the cooling box 1, and a water cooling water pump is arranged by the shunt water inlet pipe 7, After the plastic mould is placed in the cooling box 1, the heat absorption temperature of the heat absorption plate 18 rises, so that the piston plate 19 moves forwards, gas is sent into the expansion air bag 15, the volume of the expansion air bag 15 is increased, the ice water inflow is small in the initial state, the volume of the expansion air bag 15 is further reduced along with the reduction of the self temperature of the plastic mould main body 26, so that the ice water inflow is increased, meanwhile, the inflow of warm water is gradually reduced under the matching effect of the electronic thermometer 20 and the electric butterfly valve 8, the purpose of quickly cooling the plastic mould main body 26 is achieved, the problem that the mould is rapidly damaged due to the fact that the cold and heat exchange of the plastic mould is directly cooled by using the ice water is solved, the electronic thermometer 20 is arranged at the right end of the cooling box 1, a buffer spring 30 is fixedly connected between the piston plate 19 and the heat absorbing plate 18, and the buffer spring 20 is arranged to facilitate the piston plate 19 to return to an initial position after the gas expansion degree inside the buffer cylinder 17 returns to normal.

The support table frame 2 is internally provided with a low-speed driving motor 21, the low-speed driving motor 21 is fixedly connected with a first transmission belt wheel 22, a plastic mould main body 26 is loaded on a mould support plate 25 under the rotation action of the low-speed driving motor 21 to move, so that the water spraying plate 14 can uniformly spray and cool the surface of the plastic mould main body 26, and meanwhile, the cooling and cooling process of the plastic mould main body 26 is accelerated, the first transmission belt wheel 22 is in belt connection with a second transmission belt wheel 23, the second transmission belt wheel 23 is fixedly connected with a rotating shaft 24, the rotating shaft 24 is fixedly connected with the mould support plate 25, the upper surface of the mould support plate 25 is provided with the plastic mould main body 26, a shaft sleeve 27 is arranged at the connection part of the cooling box 1 and the support table frame 2, a bearing 28 is fixedly connected inside the shaft sleeve 27, the bearing 28 is rotatably connected with the rotating shaft 24, a drain pipe 29 is fixedly connected with the bottom of the cooling box 1, the drain pipe 29 is provided to facilitate the discharge of shower-cooled water out of the cooling box 1, and a shut valve is provided outside the drain pipe 29.

The working principle is as follows: when the stainless steel water cooling device is used, the plastic mold main body 26 is firstly placed on the upper surface of the mold carrier plate 25, then the warm water pump 11, the ice water pump 12 and the low-speed drive motor 21 are started, after the plastic mold main body 26 is placed in the cooling box 1, the heat absorption plate 18 absorbs heat from the plastic mold main body 26, the temperature rises to enable gas inside the expansion cylinder 17 to be heated and expanded, then the piston plate 19 moves towards the direction far away from the heat absorption plate 18, then the gas inside the expansion cylinder 17 is conveyed into the expansion airbag 15 through the rigid vent pipe 16 to enable the inflation volume of the expansion airbag 15 to be increased, then the expansion airbag 15 enables the blocking area of the water inlet cavity of the stainless steel sleeve 9 to be increased, the ice water inlet quantity of the stainless steel sleeve 9 is small at the beginning, the volume of the expansion airbag 15 is reduced along with the surface temperature reduction of the plastic mold main body 26, and the ice water inlet quantity of the stainless steel sleeve 9 is gradually increased, simultaneously the inside temperature of cooler bin 1 reduces back electron thermometer 20 and detects the temperature and reduce the back and transmit electric butterfly valve 8 after changing into control command with the signal of telecommunication, make electric butterfly valve 8 along with the reduction of temperature gradually from three reposition of redundant personnel inlet tube 7 state of intaking change to the state of intaking of two reposition of redundant personnel inlet tubes 7 at last lead three reposition of redundant personnel inlet tube 7 to close totally, warm water pump 11 stop work, when cooling down plastic mold main part 26, reached according to plastic mold main part 26's self temperature variation and gradual reduction cooling water's temperature, avoided directly to cool down with the frozen water to handle the cold and hot exchange aggravation that leads to plastic mold main part 26 and take place mould itself material damage.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a cooling device for plastic mold, includes cooler bin (1) and support table frame (2), its characterized in that: cavity (3) have been seted up to the inside of supporting table frame (2), the inside of cavity (3) is provided with warm water storage box (4) and frozen water storage box (5) respectively from the left hand right side, the upper end interlude of warm water storage box (4) is provided with T word inlet tube (6), the lower extreme of T word inlet tube (6) is provided with reposition of redundant personnel inlet tube (7), the outside of reposition of redundant personnel inlet tube (7) is provided with electric butterfly valve (8), the upper end interlude of frozen water storage box (5) is provided with nonrust steel casing pipe (9), the lower extreme fixedly connected with drinking-water pipe (10) of nonrust steel casing pipe (9), the one end fixedly connected with warm water pump (11) of reposition of redundant personnel inlet tube (7) are kept away from to T word inlet tube (6), the one end fixedly connected with frozen water pump (12) of drinking-water pipe (10) are kept away from to nonrust steel casing pipe (9), the outlet end fixedly connected with tee bend water pipe (13) of warm water pump (11) and frozen water pump (12) The utility model discloses a cooling box, the one end fixedly connected with water spray plate (14) of tee bend water pipe (13), the inside of stainless steel sleeve (9) is provided with inflation gasbag (15), the inner chamber and the rigidity breather pipe (16) fixed connection of inflation gasbag (15), the one end fixedly connected with inflation cylinder (17) of inflation gasbag (15) are kept away from in rigidity breather pipe (16), inflation cylinder (17) with cooler bin (1) fixed connection, the one end fixedly connected with absorber plate (18) of rigidity breather pipe (16) are kept away from in inflation cylinder (17), the inside sliding connection of cooler bin (1) has piston plate (19), the right-hand member of cooler bin (1) is provided with electronic thermometer (20), fixedly connected with buffer spring (30) between piston plate (19) and absorber plate (18).

2. The cooling device for the plastic mold according to claim 1, wherein: the quantity of reposition of redundant personnel inlet tube (7) is three, and the length of three reposition of redundant personnel inlet tube (7) is the same, electric butterfly valve (8) and electronic thermometer (20) electric connection.

3. The cooling device for the plastic mold according to claim 1, wherein: a group of mutually symmetrical return springs are arranged inside the expansion air bag (15).

4. The cooling device for the plastic mold according to claim 1, wherein: the inside of supporting table frame (2) is equipped with low-speed driving motor (21), low-speed driving motor (21) and first driving pulley (22) fixed connection, first driving pulley (22) are connected with second driving pulley (23) belt, second driving pulley (23) and axis of rotation (24) fixed connection, axis of rotation (24) and mould support plate (25) fixed connection, the upper surface of mould support plate (25) is provided with plastics mould main part (26).

5. The cooling device for the plastic mold according to claim 1, wherein: the cooling box (1) is provided with axle sleeve (27) with the junction that supports table frame (2), the inside fixedly connected with bearing (28) of axle sleeve (27), bearing (28) are connected with axis of rotation (24) are rotated.

6. The cooling device for the plastic mold according to claim 1, wherein: the bottom of the cooling box (1) is fixedly connected with a drain pipe (29), and a stop valve is arranged outside the drain pipe (29).